Fish tank



FIG. 1 is a front view of a fish tank;

FIG. 2 is a rear view of the fish tank of FIG. 1;

FIG. 3 is a left-side view of the fish tank of FIG. 1;

FIG. 4 is a right-side view of the fish tank of FIG. 1;

FIG. 5 is a top view of the fish tank of FIG. 1;

FIG. 6 is a bottom view of the fish tank of FIG. 1;

FIG. 7 is a top perspective view of the fish tank of FIG. 1; and,

FIG. 8 is a bottom perspective view of the fish tank of FIG. 1.

The portions of the fish tank shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a fish tank, as shown and described. 